RE: Kernel page table and module text

From: Aleksey Gorelov
Date: Mon Apr 18 2005 - 11:19:17 EST


>-----Original Message-----
>From: linux-kernel-owner@xxxxxxxxxxxxxxx
>[mailto:linux-kernel-owner@xxxxxxxxxxxxxxx] On Behalf Of Allison
>Sent: Sunday, April 17, 2005 11:21 PM
>To: linux-kernel@xxxxxxxxxxxxxxx
>Subject: Kernel page table and module text
>
>Hi,
>
>Since module is loaded in non-contiguous memory, there has to be an
>entry in the kernel page table for all modules that are loaded on the
>system. I am trying to find entries corresponding to my module text in
>the page tables.
>
>I am not clear about how the kernel page table is organized after the
>system switches to protected mode.
>
>I printed out the page starting with swapper_pg_dir . But I do not
>find the addresses for all the modules loaded in the system.
>
>Do I still need to read the pg0 and pg1 pages ?
>
>If somebody can explain how to traverse the kernel page tables, that
>would be very helpful.
>
>thanks,
>Allison
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You can find some details here:
http://www.csn.ul.ie/~mel/projects/vm/guide/pdf/understand.pdf

But whatever your purpose is, I doubt you would want to use PTEs.

Aleks.
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